Search results for 'A. C. Varzi' (try it on Scholar)

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Profile: Achille C. Varzi (Columbia University)
  1. Elena Casetta, Valeria Giardino, Andrea Borghini, Patrizia Pedrini, Francesco Calemi, Daniele Santoro, Giuliano Torrengo, Claudio Calosi, Pierluigi Graziani & Achille Varzi (eds.) (2014). Mettere a Fuoco Il Mondo. Conversazioni sulla Filosofia di Achille Varzi (Special Issue of Isonomia – Epistemologica). ISONOMIA – Epistemologica. University of Urbino.score: 2940.0
    Achille Varzi è uno dei maggiori metafisici viventi. Nel corso degli anni ha scritto testi fondamentali di logica, metafisica, mereologia, filosofia del linguaggio. Ha sconfinato nella topologia, nella geografia, nella matematica, ha ragionato di mostri e confini, percezione e buchi, viaggi nel tempo, nicchie, eventi e ciambelle; e non ha disdegnato di dialogare con gli abitanti di Flatlandia, con Neo e con Terminator. Tra le sue opere principali: Holes and Other Superficialities e Parts and Places. The Structures of Spatial (...)
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  2. Jamie P. Tappenden, Achille C. Varzi & William E. Seager (eds.) (2011). Truth and Values: Essays for Hans Herzberger. University of Calgary Press.score: 1260.0
    A selection of essays dedicated to Hans Herzberger with affection and gratitude for both his profound work and his lasting example. Contributors: I. Levi (on whether and how a rational agent should be seen as a maximizer of some cognitive value), C. Normore (on medieval accounts of logical validity), J. P. Tappenden (on the local influences on Frege's doctrines), A. Urquhart (on the inexpressible), A. C. Varzi (on dimensionality and the sense of possibility), and S. Yablo (on content and (...)
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  3. Achille C. Varzi (2014). Del fuoco che non brucia: risposte, riflessioni, ringraziamenti. In Elena Casetta & Valeria Giardino (eds.), Mettere a Fuoco Il Mondo. Conversazioni sulla Filosofia di Achille Varzi (Special Issue of Isonomia – Epistemologica). University of Urbino 111–153.score: 1080.0
    An overview of the way I picture the amorphous world we live in, built around my comments and responses to nine festschrift essays by A. Borghini (on the Fedro metaphor and the art of butchery), F. Calemi (on the predication principle and metalinguistic nominalism), C. Calosi (on the argument from mereological universalism to extensonality), E. Casetta (on the role of “monsters” in the realism/antirealism debate), V. Giardino (on inductive reasoning, spatial representation, and problem solving), P. Graziani (on mereological notation), P. (...)
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  4. Maurizio Ferraris & Achille C. Varzi (2003). Che cosa c’è e che cos’è. Nous. Postille Su Pensieri 1:81–101.score: 900.0
    A philosophical exchange broadly inspired by the characters of Berkeley’s Three Dialogues. Hylas is the realist philosopher: the view he stands up for reflects a robust metaphysic that is reassuringly close to common sense, grounded on the twofold persuasion that the world comes structured into entities of various kinds and at various levels and that it is the task of philosophy, if not of science generally, to “bring to light” that structure. Philonous, by contrast, is the anti-realist philosopher (though not (...)
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  5. Francesco Orilia & Achille C. Varzi (1998). A Note on Analysis and Circular Definitions. Grazer Philosophische Studien 54:107-113.score: 900.0
    Analyses, in the simplest form assertions that aim to capture an intimate link between two concepts, are viewed since Russell's theory of definite descriptions as analyzing descriptions. Analysis therefore has to obey the laws governing definitions including some form of a Substitutivity Principle (SP). Once (SP) is accepted the road to the paradox of analysis is open. Popular reactions to the paradox involve the fundamental assumption (SV) that sentences differing only in containing an analysandum resp. an analysans express the same (...)
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  6. Achille C. Varzi (2006). A Note on the Transitivity of Parthood. Applied Ontology 1 (2):141-146.score: 900.0
    That parthood is a transitive relation is among the most basic principles of classical mereology. Alas, it is also very controversial. In a recent paper, Ingvar Johansson has put forward a novel diagnosis of the problem, along with a corresponding solution. The diagnosis is on the right track, I argue, but the solution is misleading. And once the pieces are properly put together, we end up with a reinforcement of the standard defense of transitivity on behalf of classical mereology.
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  7. Achille C. Varzi (2011). The Plan of a Square. Canadian Journal of Philosophy 41 (5):137-144.score: 900.0
    An imaginary report of Square’s plans for a journey aimed to find out whether the topology of Flatland is sphere-like or torus-like, intended as a trubute to Hans Herzberger’s uncompromising philosophical style, courage, and passion.
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  8. Achille C. Varzi (2010). Il mondo messo a fuoco. Storie di allucinazioni e miopie filosofiche. Laterza.score: 900.0
    At the beginning, all there is is world. It’s not all alike: here is mama, there is cold, over there—noise. Soon we begin to distinguish and to recognize: more mama, more cold, more noise! Yet initially these things appear to be all of a type. Each is, in Quine’s words, just a history of sporadic encounter, a mere portion of all there is. Only with time does this fluid totality in which we are immersed begin to take shape: sensations recur; (...)
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  9. Rainer Bäuerle, N. C. A. Da Costa, O. Bueno, Javier De Lorenzo, Alberto Zanardo, Alan R. Perreiah, K. Misiuna, H. Sinaceur, T. Hailperin, S. Bringsjord, A. C. Varzi, T. Wiliamson & Barry Smith (1996). Book Reviews. [REVIEW] History and Philosophy of Logic 17 (1-2):155-177.score: 870.0
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  10. [deleted]Justin Leiber, Robert M. French, John A. Barnden, Syed S. Ali, Richard Wyatt, Timothy R. Colburn, Brian Harvey, Norman R. Gall, Susan G. Josephson, Francesco Orilia & Achille C. Varzi (1996). Book Reviews. [REVIEW] Minds and Machines 6 (1):89-129.score: 810.0
  11. Achille C. Varzi (2007). Confini. Dove finisce una cosa e inizia un’altra. In Andrea Bottani & Richard Davies (eds.), Ontologie regionali. Mimesis 209–222.score: 720.0
    Ci imbattiamo in un confine ogni volta che pensiamo a un’entità demarcata rispetto a ciò che la circonda. C’è un confine (una superficie) che delimita l’interno di una sfera dal suo esterno; c’è un confine (una frontiera) che separa il Maryland dalla Pennsylvania. Talvolta la collocazione esatta di un confine non è chiara o è in qualche modo controversa (come quando si cerchi di tracciare i limiti del monte Everest, o il confine del nostro corpo). Talaltra il confine non corrisponde (...)
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  12. Achille C. Varzi (2007). Il denaro è un'opera d'arte (o quasi). Quaderni Dell’Associazione Per Lo Sviluppo Degli Studi di Banca E Borsa 24:17–39.score: 720.0
    What is money? Paraphrasing Goodman, I say that’s the wrong question to ask. The right question is, When is money? And to get the answer, Searle’s general formula for social objects (X couns as Y in context C) is fine, as long as you give it a different reading.
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  13. Wolfgang Mann & Achille C. Varzi (2006). Foreword to ''Parts and Wholes''. Journal of Philosophy 103 (12):593-596.score: 720.0
    A brief introductory note to the special issue of the Journal of Philosophy on "Parts and Wholes", setting the background for the seven papers included in the rest of the issue (by K. Fine, H. Hudson, M. Johnston, K. Koslicki, C. Normore, P. M. Simons, and P. van Inwagen).
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  14. [deleted]Achille Varzi, Filosofia Italiana: Cosa C'è di Nuovo?score: 630.0
    Il filosofo britannico Alfred North Whitehead—autore, insieme a Bertrand Russell, di quei Principia Matematica da cui è scaturita gran parte della logica del ventesimo secolo—una volta scrisse che l’intera tradizione filosofica europea potrebbe essere letta come una lunga serie di note in calce alle opere di Platone. Tra i filosofi europei vi è poi chi ha affermato che tutta l’opera di Platone potrebbe leggersi come una serie di note in calce ad Anassimandro. Quindi, per l’irresistibile transitività delle note alle note, (...)
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  15. Achille C. Varzi & Claudio Calosi (2014). De li accidiosi che son avversi al possibile. Rivista Italiana di Filosofia Analitica Junior 5 (2):101-127.score: 540.0
    This is a supplement to our book "Le tribolazioni del filosofare. Comedia metaphysica ne la quale si tratta de li errori & de le pene de l’Infero". It features an entirely new canto of the poem (originally thought to be lost) along with an extensive commentary. The canto covers the first ring of the circle of the Sullen, which hosts the Adverse to the Possible, and deals with several philosophical questions concerning the metaphysics of modality.
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  16. Achille Varzi, Metafisica.score: 510.0
    La metafisica è quel ramo della filosofia che ha come oggetto la realtà considerata nei suoi aspetti più fondamentali e generali. L’origine del termine (letteralmente: ‘dopo’ o ‘oltre la fisica’) risale agli editori delle opere di Aristotele nel I secolo a.C., che lo usarono per classificare gli scritti dedicati a quest’argomento e ritenuti, appunto, posteriori a quelli dedicati alla fisica. L’essere si dice in molti modi, scriveva Aristotele in quelle pagine, e a questa molteplicità di significati corrispondono domini d’interesse specifici. (...)
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  17. Achille C. Varzi (1996). Parts, Wholes, and Part-Whole Relations: The Prospects of Mereotopology. Data and Knowledge Engineering 20:259–286.score: 450.0
    We can see mereology as a theory of parthood and topology as a theory of wholeness. How can these be combined to obtain a unified theory of parts and wholes? This paper examines various non-equivalent ways of pursuing this task, with specific reference to its relevance to spatio-temporal reasoning. In particular, three main strategies are compared: (i) mereology and topology as two independent (though mutually related) chapters; (ii) mereology as a general theory subsuming topology; (iii) topology as a general theory (...)
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  18. Roberto Casati & Achille C. Varzi, Events. Stanford Encyclopedia of Philosophy.score: 450.0
    A critical survey of the main philosophical theories about events and event talk, organized in three main sections: (i) Events and Other Categories (Events vs. Objects; Events vs. Facts; Events vs. Properties; Events vs. Times); (ii) Types of Events (Activities, Accomplishments, Achievements, and States; Static and Dynamic Events; Actions and Bodily Movements; Mental and Physical Events; Negative Events); (iii) Existence, Identity, and Indeterminacy.
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  19. Barry Smith & Achille C. Varzi (2000). Fiat and Bona Fide Boundaries. Philosophy and Phenomenological Research 60 (2):401-420.score: 450.0
    There is a basic distinction, in the realm of spatial boundaries, between bona fide boundaries on the one hand, and fiat boundaries on the other. The former are just the physical boundaries of old. The latter are exemplified especially by boundaries induced through human demarcation, for example in the geographic domain. The classical problems connected with the notions of adjacency, contact, separation and division can be resolved in an intuitive way by recognizing this two-sorted ontology of boundaries. Bona fide boundaries (...)
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  20. Roberto Casati & Achille C. Varzi, Holes. Stanford Encyclopedia of Philosophy.score: 450.0
    A brief introduction to the main philosophical problems and theories about the nature of holes and such-like nothingnesses.
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  21. Marion Haemmerli & Achille C. Varzi (2014). Adding Convexity to Mereotopology. In Pawel Garbacz & Oliver Kutz (eds.), Formal Ontology in Information Systems. Proceedings of the Eighth International Conference. IOS Press 65–78.score: 450.0
    Convexity predicates and the convex hull operator continue to play an important role in theories of spatial representation and reasoning, yet their first-order axiomatization is still a matter of controversy. In this paper, we present a new approach to adding convexity to mereotopological theory with boundary elements by specifying first-order axioms for a binary segment operator s. We show that our axioms yields a convex hull operator h that supports, not only the basic properties of convex regions, but also complex (...)
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  22. Achille C. Varzi (2009). On the Interplay Between Logic and Metaphysics. Linguistic and Philosophical Investigations 8:13-36.score: 450.0
    On the one hand, logic has (or ought to have) nothing to do with metaphysics; it ought to have nothing to do with questions concerning what there is, or whether there is anything at all. On the other hand, metaphysics can hardly get off the ground without the help of logical analysis; to be is to be a truth-maker, and the search for truth-makers requires that we lay open the logical structure of our language. So something’s gotta give: either logical (...)
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  23. Achille C. Varzi (2014). Logic, Ontological Neutrality, and the Law of Non-Contradiction. In Elena Ficara (ed.), Contradictions. Logic, History, Actuality. De Gruyter 53–80.score: 450.0
    Abstract. As a general theory of reasoning—and as a general theory of what holds true under every possible circumstance—logic is supposed to be ontologically neutral. It ought to have nothing to do with questions concerning what there is, or whether there is anything at all. It is for this reason that traditional Aristotelian logic, with its tacit existential presuppositions, was eventually deemed inadequate as a canon of pure logic. And it is for this reason that modern quantification theory, too, with (...)
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  24. Achille C. Varzi (2014). Counting and Countenancing. In Aaron J. Cotnoir & Donald L. M. Baxter (eds.), Composition as Identity. Oxford University Press 47–69.score: 450.0
    I endorse Composition as Identity, broadly and loosely understood as the thesis that a composite whole is nothing over and above its parts, and the parts nothing over and above the whole. Thus, given an object, x, composed of n proper parts, y1, ..., yn, I feel the tension between my Quinean heart and its Lewisian counterpart. I feel the tension between my obligation to countenance n+1 things, x and the y’s, each of which is a distinct portion of reality, (...)
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  25. Achille C. Varzi (2011). On Doing Ontology Without Metaphysics. Philosophical Perspectives 25 (1):407-423.score: 450.0
    According to a certain familiar way of dividing up the business of philosophy, ontology is concerned with the question of what entities exist (a task that is often identified with that of drafting a “complete inventory” of the universe) whereas metaphysics seeks to explain, of those entities, what they are (i.e., to specify the “ultimate nature” of the items included in the inventory). This distinction carries with it a natural thought, namely, that ontology is in some way prior to metaphysics. (...)
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  26. Roberto Casati & Achille C. Varzi (2008). Event Concepts. In Thomas F. Shipley & Jeff Zacks (eds.), Understanding Events: From Perception to Action. Oxford University Press 31�54.score: 450.0
    Events are center stage in several fields of psychological research. There is a long tradition in the study of event perception, event recognition, event memory, event conceptualization and segmentation. There are studies devoted to the description of events in language and to their representation in the brain. There are also metapsychological studies aimed at assessing the nature of mental events or the grounding of intentional action. Outside psychology, the notion of an event plays a prominent role in various areas of (...)
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  27. James Higginbotham, Fabio Pianesi & Achille C. Varzi (eds.) (2000). Speaking of Events. Oxford University Press.score: 450.0
    The idea that an adequate semantics of ordinary language calls for some theory of events has sparked considerable debate among linguists and philosophers. On the one hand, so many linguistic phenomena appear to be explained if (and, according to some authors, only if) we make room for logical forms in which reference to or quantification over events is explicitly featured. Examples include nominalization, adverbial modification, tense and aspect, plurals, and singular causal statements. On the other hand, a number of deep (...)
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  28. Roberto Casati & Achille C. Varzi (2000). Topological Essentialism. Philosophical Studies 100 (3):217-236.score: 450.0
    Considering topology as an extension of mereology, this paper analyses topological variants of mereological essentialism (the thesis that an object could not have different parts than the ones it has). In particular, we examine de dicto and de re versions of two theses: (i) that an object cannot change its external connections (e.g., adjacent objects cannot be separated), and (ii) that an object cannot change its topological genus (e.g., a doughnut cannot turn into a sphere). Stronger forms of structural essentialism, (...)
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  29. Achille C. Varzi (2008). The Extensionality of Parthood and Composition. Philosophical Quarterly 58 (1):108–133.score: 450.0
    I focus on three mereological principles: the Extensionality of Parthood (EP), the Uniqueness of Composition (UC), and the Extensionality of Composition (EC). These principles are not equivalent. Nonetheless, they are closely related (and often equated) as they all reflect the basic nominalistic dictum, No difference without a difference maker. And each one of them—individually or collectively—has been challenged on philosophical grounds. In the first part I argue that such challenges do not quite threaten EP insofar as they are either self-defeating (...)
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  30. Achille C. Varzi (2007). Omissions and Causal Explanations. In Francesca Castellani & Josef Quitterer (eds.), Agency and Causation in the Human Sciences. Mentis Verlag 155–167.score: 450.0
    In previous work I have argued that talk about negative events should not be taken at face value: typically, what we are inclined to think of as a negative event (John’s failure to go jogging) is just an ordinary, positive event (his going to the movie instead); it is a positive event under a negative description. Here I consider more closely the difficulties that arise in those cases where no positive event seems available to do the job, as with putative (...)
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  31. Barry Smith & Achille C. Varzi (1997). Fiat and Bona Fide Boundaries: Towards an Ontology of Spatially Extended Objects. In Spatial Information Theory. International Conference COSIT ‘97. Springer 103–119.score: 450.0
    Human cognitive acts are directed towards objects extended in space of a wide range of different types. What follows is a new proposal for bringing order into this typological clutter. The theory of spatially extended objects should make room not only for the objects of physics but also for objects at higher levels, including the objects of geography and of related disciplines. It should leave room for different types of boundaries, including both the bona fide boundaries which we find in (...)
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  32. Achille C. Varzi (2012). The Naming of Facts. Analysis 72 (2):322-323.score: 450.0
    The naming of facts is a difficult matter / it isn’t just one of your holiday games..." A versification of a disturbing philosophical tribulation, after T. S. Eliot’s ‘The Naming of Cats’.
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  33. Achille C. Varzi (2013). Undetached Parts and Disconnected Wholes. In Christer Svennerlind, Jan Almäng & Rögnvaldur Ingthorsson (eds.), Johanssonian Investigations. Essays in Honour of Ingvar Johansson on His Seventieth Birthday. Ontos Verlag 696–708.score: 450.0
    I offer a diagnosis of the parallelism between the Doctrine of Potential Parts and the Doctrine of Potential Wholes and briefly examine its bearing on Johansson’s account of the Tibbles-Tib Problem.
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  34. Achille C. Varzi (2007). Promiscuous Endurantism and Diachronic Vagueness. American Philosophical Quarterly 44 (2):181-189.score: 450.0
    According to a popular line of reasoning, diachronic vagueness creates a problem for the endurantist conception of persistence. Some authors have replied that this line of reasoning is inconclusive, since the endurantist can subscribe to a principle of Diachronic Unrestricted Composition (DUC) that is perfectly parallel to the principle required by the perdurantist’s semantic account. I object that the endurantist should better avoid DUC. And I argue that even DUC, if accepted, would fail to provide the endurantist with the necessary (...)
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  35. Achille C. Varzi (2005). The Vagueness of ‘Vague’: Rejoinder to Hull. Mind 114 (455):695-702.score: 450.0
    A rejoinder to G. Hull’s reply to my Mind 2003. Hull argues that Sorensen’s purported proof that ‘vague’ is vague--which I defended against certain familiar objections--fails. He offers three reasons: (i) the vagueness exhibited by Sorensen’s sorites is just the vagueness of ‘small’; (ii) the general assumption underlying the proof, to the effect that predicates which possess borderline cases are vague, is mistaken; (iii) the conclusion of the proof is unacceptable, for it is possible to create Sorensen-type sorites even for (...)
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  36. Roberto Casati & Achille C. Varzi (1997). Spatial Entities. In Oliviero Stock (ed.), Spatial and Temporal Reasoning. Kluwer 73–96.score: 450.0
    Ordinary reasoning about space—we argue—is first and foremost reasoning about things or events located in space. Accordingly, any theory concerned with the construction of a general model of our spatial competence must be grounded on a general account of the sort of entities that may enter into the scope of the theory. Moreover, on the methodological side the emphasis on spatial entities (as opposed to purely geometrical items such as points or regions) calls for a reexamination of the conceptual categories (...)
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  37. Achille C. Varzi (2007). La natura e l'identità degli oggetti materiali. In Annalisa Coliva (ed.), Filosofia analitica. Temi e problemi. Carocci Editore 17–56.score: 450.0
    A critical survey of the main metaphysical theories concerning the nature of material objects (substratum theories, bundle theories, substance theories, stuff theories) and their identity conditions, both synchronic (monist vs. pluralist theories) and diachronic (three-dimensionalism, four-dimensionalism, sequentialism).
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  38. Achille C. Varzi (2001). The Best Question. Journal of Philosophical Logic 30 (3):251-258.score: 450.0
    Suppose we get a chance to ask an angel a question of our choice. What should we ask to make the most of our unique opportunity? Ned Markosian has shown that the task is trickier than it might seem. Ted Sider has suggested playing safe and asking: What is the true proposition (or one of the true propositions) that would be most beneficial for us to be told? Let's see whether we can do any better than that.
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  39. Roberto Casati & Achille C. Varzi (1996). The Structure of Spatial Localization. Philosophical Studies 82 (2):205 - 239.score: 450.0
    What are the relationships between an entity and the space at which it is located? And between a region of space and the events that take place there? What is the metaphysical structure of localization? What its modal status? This paper addresses some of these questions in an attempt to work out at least the main coordinates of the logical structure of localization. Our task is mostly taxonomic. But we also highlight some of the underlying structural features and we single (...)
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  40. Achille C. Varzi (2007). Supervaluationism and Its Logics. Mind 116 (463):633-675.score: 450.0
    What sort of logic do we get if we adopt a supervaluational semantics for vagueness? As it turns out, the answer depends crucially on how the standard notion of validity as truth preservation is recasted. There are several ways of doing that within a supervaluational framework, the main alternative being between “global” construals (e.g., an argument is valid iff it preserves truth-under-all-precisifications) and “local” construals (an argument is valid iff, under all precisifications, it preserves truth). The former alternative is by (...)
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  41. Andrea Borghini & Achille C. Varzi (2006). Event Location and Vagueness. Philosophical Studies 128 (2):313-336.score: 450.0
    Most event-referring expressions are vague; it is utterly difficult, if not impossible, to specify the exact spatiotemporal location of an event from the words that we use to refer to it. We argue that in spite of certain prima facie obstacles, such vagueness can be given a purely semantic (broadly supervaluational) account.
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  42. Roberto Casati & Achille C. Varzi (2004). Counting the Holes. Australasian Journal of Philosophy 82 (1):23 – 27.score: 450.0
    Argle claimed that holes supervene on their material hosts, and that every truth about holes boils down to a truth about perforated things. This may well be right, assuming holes are perforations. But we still need an explicit theory of holes to do justice to the ordinary way of counting holes--or so says Cargle.
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  43. Achille C. Varzi, Boundary. Stanford Encyclopedia of Philosophy.score: 450.0
    We think of a boundary whenever we think of an entity demarcated from its surroundings. There is a boundary (a line) separating Maryland and Pennsylvania. There is a boundary (a circle) isolating the interior of a disc from its exterior. There is a boundary (a surface) enclosing the bulk of this apple. Sometimes the exact location of a boundary is unclear or otherwise controversial (as when you try to trace out the margins of Mount Everest, or even the boundary of (...)
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  44. Achille C. Varzi (2000). Supervaluationism and Paraconsistency. In Diderik Batens, Chris Mortensen, Graham Priest & Jean Paul Van Bendegem (eds.), Frontiers in Paraconsistent Logic. Research Studies Press 279–297.score: 450.0
    Since its first appearance in 1966, the notion of a supervaluation has been regarded by many as a powerful tool for dealing with semantic gaps. Only recently, however, applications to semantic gluts have also been considered. In previous work I proposed a general framework exploiting the intrinsic gap/glut duality. Here I also examine an alternative account where gaps and gluts are treated on a par: although they reflect opposite situations, the semantic upshot is the same in both cases--the value of (...)
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  45. Achille C. Varzi (2009). Universalism entails Extensionalism. Analysis 69 (4):599-604.score: 450.0
    I argue that Universalism (the thesis that mereological composition is unrestricted) entails Extensionalism (the thesis that sameness of composition is sufficient for identity) as long as the parthood relation is transitive and satisfies the Weak Supplementation principle (to the effect that whenever a thing has a proper part, it has another part disjoint from the first).
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  46. Achille C. Varzi (2001). Vagueness in Geography. Philosophy and Geography 4 (1):49–65.score: 450.0
    Some have argued that the vagueness exhibited by geographic names and descriptions such as ‘Albuquerque’, ‘the Outback’, or ‘Mount Everest’ is ultimately ontological: these terms are vague because they refer to vague objects, objects with fuzzy boundaries. I take the opposite stand and hold the view that geographic vagueness is exclusively semantic, or conceptual at large. There is no such thing as a vague mountain. Rather, there are many things where we conceive a mountain to be, each with its precise (...)
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  47. Barry Smith & Achille C. Varzi (1999). The Niche. Noûs 33 (2):214-238.score: 450.0
    The concept of niche (setting, context, habitat, environment) has been little studied by ontologists, in spite of its wide application in a variety of disciplines from evolutionary biology to economics. What follows is a first formal theory of this concept, a theory of the relations between objects and their niches. The theory builds upon existing work on mereology, topology, and the theory of spatial location as tools of formal ontology. It will be illustrated above all by means of simple biological (...)
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  48. Robert Casati & Achille C. Varzi (2001). That Useless Time Machine. Philosophy 76 (4):581-583.score: 450.0
    Dear ‘Time Machine’ Research Group; if in order to travel to the past one has to have been there already, and if one can only do what has already been done, then why build a time machine in the first place? À quoi bon l'effort?
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  49. Achille C. Varzi (2011). Boundaries, Conventions, and Realism. In Michael O'Rourke, Joseph K. Campbell & Matthew H. Slater (eds.), Carving Nature at Its Joints: Natural Kinds in Metaphysics and Science. MIT Press 129–153.score: 450.0
    Are there any bona fide boundaries, i.e., boundaries that carve at the joints? Or is any boundary —hence any object—the result of a fiat articulation reflecting our cognitive biases and our so-cial practices and conventions? Does the choice between these two options amount to a choice between realism and wholesome relativism?
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  50. Achille C. Varzi (2003). Reasoning About Space: The Hole Story. Logic and Logical Philosophy 4:3-39.score: 450.0
    This is a revised and extended version of the formal theory of holes outlined in the Appendix to the book "Holes and Other Superficialities". The first part summarizes the basic framework (ontology, mereology, topology, morphology). The second part emphasizes its relevance to spatial reasoning and to the semantics of spatial prepositions in natural language. In particular, I discuss the semantics of ‘in’ and provide an account of such fallacious arguments as “There is a hole in the sheet. The sheet is (...)
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